/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingOperatorsEditorOnly/Public/ParameterizationOps/ParameterizeMeshOp.h
Dense index/vertex buffer based representation of the data needed for parameterization
struct FLinearMesh
TArray< int32 >
AdjacencyBuffer
Adjacency[tri], Adjacency[tri+1], Adjacency[tri+2] are the three tris adjacent to tri.
TArray< int32 >
IndexBuffer
Stripped down mesh.
TArray< FVector...
VertexBuffer
TArray< int32 >
VertToID
Map from offset in the VertexBuffer to the VertexID in the FDynamicMesh.